class_docstr: Class used to plot points in the 2d special euclidean group.
code: def add_points(self, points):
      if self.point_type == "vector":
          points = SE2_VECT.matrix_from_vector(points)
      if not gs.all(SE2_GROUP.belongs(points)):
          logging.warning("Some points do not belong to SE2.")
      if not isinstance(points, list):
          points = list(points)
      self.points.extend(points)
  
file_path: geomstats/geomstats/visualization/special_euclidean.py
imports: import logging
  import matplotlib.pyplot
  from mpl_toolkits.mplot3d import Axes3D
  import geomstats.backend
  from geomstats.geometry.special_euclidean import SpecialEuclidean
label_desc: Use image node_id 3 for calling the SpecialEuclidean2 obj's underlying member method code with example usage: obj.add_points(points) without return types